Answer this question truthfully
### Question: When to seek urgent medical care when I have Hereditary nonpolyposis colorectal cancer ?
### Response: Call your health care provider if symptoms of colorectal cancer develop. If one emerges the following symptoms, seeking urgent medical care as soon as possible:
Severe abdominal pain, severe abdominal distension, and stopping defecation: The reason of a person with colorectal cancer appears these symptoms is mostly because of intestinal obstruction caused by lumps. This is the results of lumps growth on rectum wall. A surgery will be done urgently.
Defecation with a lot of blood: This is the result of cancer invading the vessels of rectum or colon walls. An abundant of blood loss may lead to shock and death. You need to go to hospital as soon as possible.